The Texas InstrumentsMSP430 family of ultra-low power microcontrollers consists of several devices featuring different sets of peripherals targeted for various applications. The architecture, combined with five low-power modes, is optimized to achieve extended battery life in portable measurement applications. The device features a powerful 16-bit RISC CPU, 16-bit registers, and constant generators that contribute to maximum code efficiency.The digitally controlled oscillator (DCO) allows wake-up from low-power modes to active mode in less than 6 µs.
The MSP430F42xA series are microcontroller configurations with three independent 16-bit sigma-delta A/D converters, each with an integrated differential programmable gain amplifier input stage. Also included are a built-in 16-bit timer, 128 LCD segment drive capability, hardware multiplier, and 14 I/O pins.
Typical applications include high-resolution applications such as handheld metering equipment, weigh scales, and energy meters.
Ultra-Low Power Consumption:
Active Mode: 400 µA at 1 MHz, 3.0 V
Standby Mode: 1.6 µA
Off Mode (RAM Retention): 0.1 µA
Five Power-Saving Modes
Wake-Up From Standby Mode in Less Than 6 µs
Frequency-Locked Loop, FLL+
16-Bit RISC Architecture, 125-ns Instruction Cycle Time
Three Independent 16-bit Sigma-Delta A/D Converters With Differential PGA Inputs
16-Bit Timer_A With Three Capture/Compare Registers
Integrated LCD Driver for 128 Segments
Serial Communication Interface (USART), Asynchronous UART, or Synchronous SPI Selectable by Software
Supply Voltage Supervisor/Monitor With Programmable Level Detection
Serial Onboard Programming, No External Programming Voltage Needed, Programmable Code Protection by Security Fuse